Mitsubishi Electric PL12FK1 Service Manual Download Page 41

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OC194-41

4. How to check the parts PL12FK

/18FK2

/24FK2

/30FK2

/36FK3

/42FK2

Parts name

Check points

Disconnect the connector then measure the resistance using a tester.

(Surrounding temperature 50

F~86

Measure the resistance between the terminals using a tester.

(Surrounding temperature 68

F~86

Measure the resistance between the terminals using a tester.

(Surrounding temperature 68

F~86

Measure the resistance between the terminals using a tester.

(Surrounding temperature 50

F~86

Vane motor

Drain pump

Drain sensor

(Refer to the thermistor)

Room temperature

thermistor (TH1)

Liquid pipe

thermistor (TH2)

Yellow

1
2

Normal

4.3k

~9.6k

Abnormal

Open or short

Abnormal

Open or short

Normal

0.6k

~6.0k

Normal

Connector

Abnormal

300

Open or short

Normal

Abnormal

101

Open or short

Orange

Red

White

Red — Yellow

Red — Blue

Red — Orange

Red — White

Blue

Yellow

Measure the resistance between the terminals using a tester.

Fan motor

Red

White

Black

Relay connector

Protector

12/18FK

110.9

132.5

24FK

101.7

121.4

Abnormal

Open or short

30,36FK

122.0

141.8

42FK

101.7

121.4

Red-Black

White-Black

Motor terminal

Relay connector

Normal

Summary of Contents for PL12FK1

Page 1: ...OC194 17 7 REFRIGERANT SYSTEM DIAGRAM OC194 19 8 WIRING DIAGRAM OC194 20 9 OPERATION FLOW CHART OC194 22 10 MICROPROCESSOR CONTROL OC194 25 11 TROUBLESHOOTING OC194 36 12 4 WAY AIR FLOW SYSTEM OC194 43 13 SYSTEM CONTROL OC194 50 14 DISASSEMBLY PROCEDURE OC194 55 15 PARTS LIST OC194 57 16 OPTIONAL PARTS OC194 63 PL12FK1 PL18FK21 PL24FK21 PL30FK21 PL36FK31 PL42FK21 ...

Page 2: ...eled Canceled Addition of Mode selector ON Addition of Not yet used Addition of LOSSNAY interlocked or not Addition of Mode selector Addition of CN2L PAC SC32PTA FK21 SW17 SW18 SW1 SW5 SW6 No 9 No 0 No 10 No 3 No 4 Dip switch Dip switch Appearances Remote controller Indoor controller 4 3 4 o 4 3 4 o 5 8 5 1 8 o 4 3 4 o 3 4 Connector for LOSSNAY interlocked Differences with OC001 which is a basic s...

Page 3: ...rature timer setting fan speed and air flow direction are displayed on the remote controller with the easily understood visual Liquid Crystal Display LCD 3 Convenient 24 Hour ON OFF Timer The timer allows Mr SLIM to be switched on or off automatically at the time is shown on the LCD 4 Self Diagnostic Feature Indicates Faults Instantly In the rare case when a problem occurs the unit stops operating...

Page 4: ...CLOCK TIMER button This sets or switches the current time start time and stop time FAN SPEED button This sets the fan speed AIR DISCHARGE button This adjusts the vertical angle of the ventilation ON OFF button This switches between the opera tion and stop modes each time it is press The lamp on this button lights during operation OPERATION MODE button Press this button to switch the cool ing elect...

Page 5: ...utton The start time or stop time is always displayed during the timer operation display The temperature of the return air is displayed during operation The dis play range is 47 F to 97 F The dis play flashes 47 F when the actual temperature is less than 47 F and flashes 97 F when the actual tem perature is greater than 97 F F In this display example on the bottom left a condi tion where all displ...

Page 6: ...ulation 115 1 60 15 2 0 0 85 680 460 650 440 5 3 45 38 1 1 4 32 1 4 32 1 4 10 1 8 64 Munsell 0 70Y 8 59 0 97 36 5 8 36 5 8 2 3 8 22 PU18EK1 Munsell 5Y 7 1 53 208 230 1 60 20 16 0 75 RH247NAB 12 37 0 11 0 12 23 28 Capillary tube 34 1 4 11 5 8 33 1 2 154 With indoor unit indoor unit remote controller DC12V Indoor unit outdoor unit DC12V Not supplied optional parts 3 8 5 8 Flared Flared 130 130 PL24F...

Page 7: ...50 1 090 790 10 9 49 41 1 1 4 52 3 4 32 1 4 10 1 8 99 Munsell 0 70Y 8 59 0 97 57 1 8 36 5 8 2 3 8 35 PU36EK1 Munsell 5Y 7 1 55 208 230 1 60 30 22 0 75 0 75 NH47NAD 17 5 87 0 16 0 17 33 39 Capillary tube 38 3 16 13 9 16 49 9 19 154 With indoor unit indoor unit remote controller DC12V Indoor unit outdoor unit DC12V Not supplied optional parts 1 2 3 4 Flared Flared 164 164 PL42FK21 42 500 4 40 9 7 10...

Page 8: ... 36 8 34 5 31 9 43 5 40 2 37 1 SHC 6 6 7 8 8 8 11 6 12 8 13 9 13 8 15 4 16 6 18 5 20 9 23 1 22 1 24 5 26 2 25 7 28 2 29 7 TPC 1 38 1 34 1 29 2 10 2 03 1 98 2 77 2 69 2 62 3 44 3 35 3 28 4 22 4 10 4 00 4 85 4 65 4 45 TC 11 9 11 2 10 4 17 9 16 5 15 3 22 8 21 4 20 0 29 6 27 4 25 6 34 9 32 5 30 2 41 2 37 7 34 8 SHC 6 4 7 6 8 4 10 6 11 7 12 7 12 5 13 9 15 2 18 0 20 4 22 5 20 2 22 4 24 2 23 1 25 3 27 1 ...

Page 9: ...F 24 21 12 18 15 2 5 2 0 1 5 1 0 63 67 71 63 67 71 SHF 0 76 0 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperature F Indoor intake air WB temperature F 3 0 Total power consumption kW Total capacity x10 3 Btu h Outdoor intake air DB temperature F 18 18 6 1 4 1 2 1 0 0 8 63 67 71 63 67 71 SHF 0 77 0 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperature F Indoor intake ai...

Page 10: ...67 71 63 67 71 SHF 0 71 23 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperature F Indoor intake air WB temperature F 3 5 PL36FK31 COOLING CAPACITY PL42FK21 COOLING CAPACITY Total power consumption kW Total capacity x10 3 Btu h Outdoor intake air DB temperature F 48 42 54 36 2 0 1 5 63 67 71 63 67 71 SHF 0 72 23 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperature F In...

Page 11: ...mperature DB F Indoor DB temperature F 86 80 75 70 100 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 psi G Condensing pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 8...

Page 12: ... DB temperature F 86 80 75 70 100 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 psi G Condensing pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 80 75 70 100 90 80 70 ...

Page 13: ... DB temperature F 86 80 75 70 100 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 psi G Condensing pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 80 75 70 100 90 80 70 ...

Page 14: ...60 0 12 1 06 PU24EK1 208 230 1 60 2 36 11 5 0 65 0 65 236 74 162 113 45 25 9 lbs 15 oz 80 67 57 56 710 660 95 3 170 PL30FK21 Cooling 31 000 0 76 3 1 PL30FK21 115 1 60 0 1 0 1 0 9 0 9 PU30EK1 208 230 1 60 2 90 14 0 0 65 0 65 237 76 165 113 47 25 10 lbs 2 oz 80 67 59 58 660 1 090 95 3 170 PL36FK31 Cooling 36 100 0 73 3 76 PL36FK31 115 1 60 0 1 0 1 0 9 0 9 PU36EK1 208 230 1 60 3 56 15 9 0 75 0 75 249...

Page 15: ...1 1 170 10 5 27 PL42FK21 1 270 11 4 29 The air coverage range is the value up to the position where the air speed is 0 8ft sec when air is blown out horizontally from the unit at the High fan setting The coverage range should be used only as a general guideline since it varies according to the size of the room and furniture installed inside the room 6 OUTLET AIR SPEED AND COVERAGE RANGE 90 80 70 6...

Page 16: ...MATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz PL42FK21 Hi NOTCH Lo 49 SPL dB 42 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002...

Page 17: ...OC194 17 OUTLINES AND DIMENSIONS 6 Unit inch 1 INDOOR UNIT PL12FK1 18 24FK21 ...

Page 18: ...OC194 18 Unit inch PL30FK21 36FK31 42FK21 ...

Page 19: ...tributor Refrigerant pipe option 3 8 with heat insulator Refrigerant pipe option 5 8 with heat insulator Strainer Flared connection Flared connection Indoor coil thermistor RT2 Distributor Refrigerant pipe option 1 2 with heat insulator Refrigerant pipe option 3 4 with heat insulator Strainer Flared connection Flared connection PL12FK1 PL18 24FK21 7 REFRIGERANT SYSTEM DIAGRAM PL30FK21 PL36FK31 PL4...

Page 20: ... Terminal block indoor outdoor connecting line Terminal block remote controller transmission line Room temperature thermistor 32 F 15k 77 F 5 4k Pipe temperature thermistor 32 F 15k 77 F 5 4k SYMBOL X1 I B X3 I B X5 I B X6 I B ZNR NAME Auxiliary relay drain water lift up mechanism dew prevention heater Auxiliary relay vane motor Auxiliary relay fan motor Auxiliary relay fan motor Varistor NOTES 1 ...

Page 21: ...m timer Connector remote switch Connector centrally control Connector lossnay Drain water lift up mechanism Drain sensor Fuse 6A Fuse 0 8A Dew prevention heater grille Indoor controller board Limit switch vane motor Fan motor with inner thermostat Vane motor with limit thermostat Remote controller board SYMBOL SW1 I B SW2 I B SW3 I B SW5 I B SW6 I B SW17 R B SW18 R B T TB2 12 TB4 TB5 6 TH1 TH2 NAM...

Page 22: ...r trouble display Indoor side Outdoor side Fan STOP Compressor OFF Fan STOP MAIN OPERATION w1 In addition the centralized control and remote control can be operated w2 The modes which indicate the sources of trouble are listed below EO Signal transmitting receiving error P1 Room temperature thermistor malfunction P2 Indoor coil thermistor malfunction P4 Drain sensor malfunction P5 Drain overflow P...

Page 23: ...ection detection temperature 30 F or lower YES NO 6 minute time delay 3 minute time delay Coil frost prevention release Allowance period 6 minute time delay Allowance set 1 min continue Coil frost protection FAN speed LOW FAN speed LOW 5 min elapse Outdoor unit trouble COOLING OPERATION w8 When operation stops or changes to cooling or dry mode the auto vane turns to a horizontal angle If operation...

Page 24: ...FF and the pipe temperature is below 43 F the fan speed changes to LOW mode It is not possible to set the fan speed with the remote controller DRY OPERATION DRY operation Initial dry operation Room temperature is 64 F or lower During compressor ON Compressor thermostat ON Vane initial setting Vane setting notch 10 minute compressor OFF timer start Compressor OFF Fan STOP 3 minute time delay 10 min...

Page 25: ...Control of Outdoor Unit OUTPUT to indoor unit INPUT from indoor unit INPUT to remote controller Remote controller board Processes and transmits orders OUTPUT to remote controller Indoor controller board Receives orders from remote controller and tem perature data from indoor unit Processes orders and data Controls indoor and outdoor operation Self diagnostic function w System control operation w E...

Page 26: ...delay w2 When the indoor coil temperature is 30 F or less the compressor starts in 6 minutes NOTE By turning OFF the dip switch SW1 3 on indoor controller board the start temperature of coil frost prevention changes from 34 F to 36 F How to operate 1 Press POWER ON OFF button 2 Press the MODE button to display COOL 3 Press the SET TEMP button to set the desired temperature NOTE Set temperature cha...

Page 27: ... speed will be LOW regardless of the remote controller setting i Fan speed LOW HIGH depends on the remote controller setting regardless of the thermostat ON OFF ii Fan speed will remain on LOW if an abnormality in outdoor unit is detected 5 minutes NOTE Fan stops immediately if the unit stops or the check mode is started 3 Auto vane control Auto vane position is set to 20 degrees airflow at the st...

Page 28: ... coil temperature minus room temperature 9 0 9 RANGE A RANGE B RANGE C degree 5 Drain pump control The drain pump works in COOL or DRY operation When operation stops or changes to HEAT mode the drain pump con tinues to operate for 3 more minutes The drain pump does not work in check mode Drain sensor When both the drain pump and unit are operating the drain sensor detects the temperature This temp...

Page 29: ... compressor will not start within 3 minutes after stop 2 The compressor runs when room temperature is higher than set temperature The compressor stops when room temperature is equal to or lower than the set temperature The compressor maintains the previous state when the room temperature minus the set temperature is 0 F or more or lower than 2 F 3 The compressor stops in check mode or during prote...

Page 30: ... 75 F 79 F with thermostat ON the compressor will operate for 2 more min utes and then stop for 3 minutes If the room temperature thermistor reads below 75 F with thermostat ON the compressor will stop for 3 minutes If the thermostat is OFF regardless of room temperature the compressor will stop for 10 minutes 5Coil frost protection Coil frost protection in DRY operation is the same as in COOL ope...

Page 31: ...er and SW5 1 of the indoor controller board Swinging air flow or fixed air flow can be selected by the AIR DISCHARGE SWING STOP button on the remote controller Swinging air flow The air flow swings between the horizontal discharge and the downward discharge Fixed air flow The air flow is fixed at the set discharge direction 4 When the vane motor is out of order or the connector is badly connected ...

Page 32: ...k for refrigerant leakage looseness in power supply or control wiring and mistaken polarity Use a 500 volt measure to check the resistance between the power supply terminal block and ground to make sure that it is at least 1 0M Attention Do not use the air conditioner if resistance is less than 1 0M How to operate 1 Turn ON main breaker 2 Press TEST RUN button twice TEST RUN is displayed on remote...

Page 33: ...tective function before starting the emergency operation CAUTION When the self diagnostic function indicates a check code of P5 drain pump malfunction DO NOT start the emergency operation because the drain may overflow How to operate 1 For emergency heating turn the SW3 levers 2 3 and 4 ON and 1 OFF SW3 setting 2 Turn ON the outdoor unit breaker and then ON the indoor unit breaker Emergency operat...

Page 34: ...with auto vane SW1 4 Switch for drain pump Drain lift up mechanism OFF The drain pump works in only cooling mode ON The drain pump works in both cooling and heating mode For heat pump models SW1 5 Switch to change the temperature to start coil frost prevention OFF 36_F For previous special models ON 34_F For For all current models 2 SW18 Model select 8 7 6 5 4 3 2 1 OFF ON SW18 1 Switch for timer ...

Page 35: ... SW3 Emergency operation switch 4 SW5 Model selector SW5 1 OFF For models without automatic swing mechanism ON For models with automatic swing mechanism SW5 2 OFF For models with heating mode and cooling mode ON For models with only cooling mode including PL SW5 3 Not yet used SW5 4 OFF LOSSNAY on air intake ON LOSSNAY air intake 5 SW6 Model selector SW6 is set on site for twin triple control This...

Page 36: ...turned ON operating display appears but disappears soon 1 Short circuit of indoor outdoor connect ing wire 2 Short circuit of transmission wire 3 Wrong operation of remote controller due to noise wave emitted by other appliances 1 2 Check the wire 3 Turn the circuit breaker OFF and then turn ON If the remote controller remains abnormal despite the above measures replace the indoor controller board...

Page 37: ... Each time SET TEMP button is pressed the unit address advances by one Each time SET TEMP button is pressed the unit address goes back by one The check code and the unit address appear alternately 3 The check code U8 means no malfunction has occurred since installation The check code E0 means the following conditions The unit address displayed on the remote controller does not apply to any unit po...

Page 38: ...tact of transmission wire 2 Damaged thermistor 1 Check the connector 2 Measure the resistance of the thermistor 1 3 32 F 6k 59 F 3 2k 86 F 1 8k 41 F 4 8k 68 F 2 6k 95 F 1 5k 50 F 3 9k 77 F 2 2k 104 F 1 3k If the resistance is normal replace the indoor controller board P5 Malfunction of drain pump 1 Malfunction of drain pump 2 Damaged drain sensor 1 Check the drain pump 2 Check the drain sensor Che...

Page 39: ...ion stops 9 minutes later the check code P8 appears on the remote controller display Outdoor Indoor 1 2 3 1 2 3 OFF The outdoor unit stops ON Operation stops 9 minutes later the check code P8 appears on the remote controller display Disconnection between 1 and 1 or 2 and 2 OFF Operation stops ON 9 minutes later the check code P8 appears on the remote controller display Disconnection between 3 and ...

Page 40: ...play remains OFF Indoor outdoor connect ing wire is connected incorrectly Indoor outdoor connect ing wire shorts Compressor protector is damaged Outdoor controller board is defective Remote controller is damaged Transmission wire is poorly connected Transmission wire is damaged Connector is poorly connected Indoor terminal block is poorly connected Remote controller ter minal block is poorly conne...

Page 41: ...e motor Drain pump Drain sensor Refer to the thermistor Refer to the thermistor Room temperature thermistor TH1 Liquid pipe thermistor TH2 1 2 Yellow Yellow 1 2 3 Normal 4 3k 9 6k Abnormal Open or short Abnormal Open or short Normal 0 6k 6 0k Normal Connector Abnormal 300 Open or short Normal Abnormal 101 Open or short Orange Red White Red Yellow Red Blue Red Orange Red White Blue Yellow 3 5 1 2 4...

Page 42: ... Fixed number of B 3480k 2 Rt 15exp 3480 32 F 15k 50 F 9 6k 68 F 6 3k 77 F 5 2k 86 F 4 3k 104 F 3 0k Thermistor R0 6 0k 5 Fixed number of B 3390k 2 Rt 6exp 3390 32 F 6 0k 50 F 3 9k 68 F 2 6k 77 F 2 2k 86 F 1 8k 104 F 1 3k Thermistor for lower temperature 1 273 1 273 t 32 1 8 1 273 4 32 68 104 140 176 Thermistor for drain sensor Temperature F 0 1 2 3 4 5 6 7 8 9 10 Resistance K Thermistor for drain...

Page 43: ...ter is fully open When slide shutter fully closed When slide shutter removed When applying insu lation used to close off the air outlet Slide shutter fully closed Slide shutter Removing slide shutter Insulation used to close off the air outlet Opening width 11 13 16 25 9 16 Opening width 7 7 8 19 11 16 Opening width 17 11 16 35 7 16 Adjusting the discharge outlets Only when discharge outlets are f...

Page 44: ...t width to 17 11 16 Close remaining outlets to selected width 3 direction air discharge During installation close one outlet and shield it with the insula tion panel Adjust widths of remaining 3 outlets to match the room space 2 direction air discharge During installation close two outlets and fully open 17 11 16 width the remaining 2 W For 30 36 42FK open the longer outlets and close the shorter ...

Page 45: ... of all outlets must exceed 31 1 2 The width of B and D is to be 9 13 16 when the ceiling height is 8 9ft In this case other widths are not available 11 13 16 9 13 16 11 13 16 9 13 16 17 11 16 17 11 16 7 7 8 11 13 16 0 D Examples of application Precautions 11 13 16 9 13 16 9 13 16 7 7 8 7 7 8 0 17 11 16 11 13 16 0 C 11 13 16 9 13 16 11 13 16 11 13 16 17 11 16 17 11 16 7 7 8 9 13 16 17 11 16 B 11 1...

Page 46: ...t available as the total width of opened outlets must exceed 55 1 8 25 9 16 19 11 16 25 9 16 19 11 16 35 7 16 35 7 16 17 11 16 17 11 16 0 D Examples of application Precautions 17 11 16 11 13 16 11 13 16 9 13 16 11 13 16 0 35 7 16 25 9 16 9 13 16 C 25 9 16 19 11 16 25 9 16 19 11 16 35 7 16 35 7 16 17 11 16 17 11 16 35 7 16 B 17 11 16 11 13 16 11 13 16 9 13 16 11 13 16 0 0 0 9 13 16 A 7 9 8 9 7 9 8 ...

Page 47: ... for duct fan X Auxiliary relay DC12V LY 1F 4 0 4 8 12 16 20 Fresh Air P V curve P in W G O10 1 External pressure of duct 50 100 V Fresh air valve CFM Booster fan required area 150 200 Ambient air flow CFM Be sure to secure insulation material by tape and such Be sure to secure insulation material by tape and such Green Yellow Orange Red Brown 5 1 Connector 5P Package side Installation at site MB ...

Page 48: ...ic pressure characteristics of the branch duct when installing a standard panel 4 direction discharge or when applying a 2 direction discharge is as follows Opening measurements for PL30 36 42FK air within Standard 4 direction discharge 2 direction discharge 4 direction discharge 11 13 16O O4 directions 2 direction discharge 17 11 16O O2 directions Branch duct 3 15 16 11 13 16 11 13 16 Branch duct...

Page 49: ... 50 100 150 200 250 300 350 400 450 500 550 20 16 12 8 4 Air capacity CFM Static pressure in W GO10 2 0 50 100 150 200 250 300 350 400 450 500 550 20 16 12 8 4 Air capacity CFM Static pressure in W GO10 2 0 50 100 150 200 250 300 350 400 450 500 550 28 24 20 16 12 8 4 Air capacity CFM Static pressure in W GO10 2 0 50 100 150 200 250 300 350 400 450 500 550 28 24 20 16 12 8 4 Air capacity CFM PL30F...

Page 50: ... each remote controller Dunning remote ON OFF control a message of CENTRALLY CON TROLLED is displayed on the LCD of the remote con troller This is available for both one unit control and several units control 4 Individual control by grouping remote controllers See page OC194 53 Unit Remote controller Unit Unit By grouping the remote controllers in one place several units installed at different loc...

Page 51: ...peration stops due to system error Be sure to set SW2 correctly following the instructions below 1 Each lever of SW2 shows the number as follows SW2 1 1 SW2 4 8 SW2 2 2 SW2 5 16 SW2 3 4 SW2 6 32 2 Total number of levers turned to ON shows the address of the unit If you turn ON SW2 1 and SW2 2 the unit address is set as No 3 3 In this way set from the master unit to the last unit Do not forget to s...

Page 52: ...the remote con trollers is used for the self diagnostic function the other remote controller displays the check mode If the self diagnostic function is reset by either of the two remote controllers both remote controllers are reset 4 REMOTE ON OFF AND INDIVIDUAL REMOTE CONTROLS This method is available to control one unit or any number of units The following operations are available by connecting ...

Page 53: ...tralize monitoring of units installed in different places without a spe cial control board Remote control cables are extendible up to 550 yards When the cable length exceeds 33ft use the double insulated two care cable such as Belden 9407 Also the cable thickness must be No 22 AWG or above When gathering the power ON OFF switches of air conditioners near the remote controllers you should also inst...

Page 54: ...peration Lamp GL Check Lamp Field supplied parts Relays 12V DC with rated coil power consumption below 0 9W Lamps Matching to power supply voltage CN51 connector 5P GREEN Power supply Electrical insulation is needed Wiring at the actual place Optional multiple display adapter The maximum distance between indoor board and relay is 33ft YELLOW ORANGE RED BROWN 5 X2 X2 GL RL X1 X1 1 Wiring Indoor con...

Page 55: ...the fan motor lead 3 Remove the capacitor wires 4 Remove the fan motor setting screws 3 Indoor unit PL24FK21 2 Removing the electrical box 1 Pull the knob to remove the room temperature thermistor 2 Remove the screw from the box cover 3 Grasp the lead lines and pull them out 4 Remove the 2 mounting screws from the box 5 Remove the connectors from the box 6 Pull out the box Electrical parts inside ...

Page 56: ... 1 Remove the panel 2 Remove the electrical box 3 Remove the bell mouth 4 Remove the DP and CB plates and cover FA screws 2 screws each 5 Remove the drain pan support 5 C screws 6 Pull out the drain pan W Pull the left and right of the pan gradually Be careful not to crack or damage the pan 7 Loosen the two screws on the terminal box cover 8 Remove the cover Photo 8 DP plate 7 Removing the heat ex...

Page 57: ...ts No Parts Name Specifications Drawing No Q ty set Price Unit Amount Remarks Circuit Diagram Symbol Recom mended Q ty PL 12 18 24 FK2 FK21 FK2 FK21 FK FK1 1 1 1 4 1 1 1 1 1 4 1 1 T7W 410 003 T7W 410 223 R01 K01 500 R01 K01 054 R01 K01 691 T7W 411 239 AIR OUTLET GRILL VANE MOTOR AIR FILTER CATCH INTAKE GRILL FUSE Part number that is circled is not shown in the figure 4 5 4 3 2 1 ...

Page 58: ...OC194 58 PL12FK PL18FK2 PL24FK2 FUNCTIONAL PARTS PL12FK1 PL18FK21 PL24FK21 2 3 16 17 18 15 26 5 1 11 14 19 21 24 27 6 7 8 10 12 13 4 9 25 23 20 22 29 ...

Page 59: ...T7W 410 310 T7W E06 310 T7W 410 239 T7W 411 716 T7W A01 799 T7W 410 355 R01 K01 523 R01 K01 266 R01 K01 202 T7W 410 480 T7W 411 480 R01 K42 480 T7W 410 529 R01 K01 119 T7W E01 119 R01 J01 202 T7W 410 200 T7W E01 713 T7W 351 077 T7W E03 049 R01 L72 095 T7W 556 305 T7W A00 305 T7W 829 070 R01 08K 097 R01 K04 105 R01 005 533 R01 A48 524 TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK FAN ...

Page 60: ...OC194 60 PL30FK2 PL36FK3 PL42FK2 FUNCTIONAL PARTS PL30FK21 PL36FK31 PL42FK21 2 3 27 27 5 15 16 17 18 1 4 7 8 9 10 12 13 11 6 16 14 20 22 25 19 24 26 21 23 29 ...

Page 61: ...T7W 410 255 T7W 410 310 T7W E06 310 T7W 410 239 T7W 411 716 T7W A01 799 T7W 410 355 R01 K01 523 R01 K01 266 R01 K01 202 R01 K46 480 T7W 414 480 R01 08K 097 T7W 413 529 R01 K01 119 T7W E01 119 R01 J01 202 T7W 410 200 T7W E01 713 T7W 351 077 T7W E03 049 R01 L72 095 T7W 556 305 T7W A00 305 T7W 829 070 R01 K04 105 R01 005 533 R01 A48 524 TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK FAN ...

Page 62: ...rks Circuit Diagram Symbol Recom mended Q ty PL 30 36 42 FK2 FK21 FK3 FK31 FK2 FK21 1 1 2 8 2 1 1 1 2 8 2 1 T7W 413 003 T7W 410 223 R01 K01 500 R01 K01 054 R01 K21 691 T7W 413 239 AIR OUTLET GRILL VANE MOTOR AIR FILTER CATCH INTAKE GRILL FUSE PL30FK2 PL36FK3 PL42FK2 PANEL PARTS PL30FK21 PL36FK31 PL42FK21 4 4 4 5 5 3 2 4 1 3 Part number that is circled is not shown in the figure ...

Page 63: ...TA with set back function Model Name Program timer Parts name Program timer Parts No PAC SC32PTA Exterior dimensions inch 5 4 32x4 23 32x23 32 130x120x18mm Installation Wall mount Type of clock Quartz Clock accuracy 50 second month at 77 F Display Time Week Timer setting unit Liquid crystal display Liquid crystal display Liquid crystal display Program cycle 24 hours Timer setting unit 30 minutes N...

Page 64: ...advances by 1 minute at 0 5 second interval and when the lower digit of minute becomes 0 indication advances in 10 minutes unit SW is used for reversing the time Each time the button is pushed the time reverses by 1 minute pushing continuously reverses the time by 1 minute at 0 5 second interval and when the lower digit of minute becomes 0 indication reverses in 10 minutes unit Pushing SW moves th...

Page 65: ...8 24 30 36 42FK Part No Applicable Model PAC SG01KF PL12 18 24 30 36 42FK 5 HIGH EFFICIENCY FILTER ELEMENT 6 AIR OUTLET SHUTTER PLATE Part No Applicable Model PAC SG06SP E PL12 18 24 30 36 42FK 4 MULTI FUNCTION CASEMENT For HIGH EFFICIENCY FILTER AND FRESH AIR INTAKE ORN 1 2 3 BRN RED 2 TIMER ADAPTER This adapter is needed for system control and for operation via external contacts Adapter connecti...

Page 66: ...TD Distributed in Jun 2001 No OC256 REVISED EDITION B 20 Distributed in Mar 2001 No OC256 REVISED EDITION A 20 Distributed in Dec 2000 No OC256 nPrinted in Atlanta 07 2001 New publication effective Jun 2001 Specifications subject to change without notice ...

Page 67: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice ...

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